Patent application number | Description | Published |
20090280403 | RECHARGEABLE BATTERY - A rechargeable battery including an electrode assembly, a case, a cap assembly, and a core. The electrode assembly includes an anode, a cathode, and a separator interposed between the anode and the cathode. The case has a space for housing the electrode assembly. The cap assembly is connected to the case and electrically connected to the electrode assembly. The core is disposed inside the electrode assembly, and has a distance between the exterior and the center thereof at one end in a length direction that is greater than a distance between the exterior and the center thereof at the center in the length direction. | 11-12-2009 |
20100159308 | SECONDARY BATTERY - A secondary battery having a current interrupt device (CID) between a negative current collecting plate and a case of the secondary battery. The secondary battery includes: an electrode assembly including a positive electrode, a separator, and a negative electrode; a case housing the electrode assembly; a cap assembly coupled to the case for sealing the case; a positive current collecting plate connected to the positive electrode and the cap assembly; an insulator in the case adjacent an end plate of the case; and a negative current collecting plate connected to the negative electrode and the end plate of the case, the end plate being curved convexly toward an inner cavity of the case. | 06-24-2010 |
20100159320 | SECONDARY BATTERY - A rechargeable battery includes an electrode assembly, a case housing the electrode assembly, an electrode terminal electrically connected to the electrode assembly and a cap plate sealing the case, the cap plate having an electrolyte injection opening. The electrolyte injection opening has a first opening having a first diameter and a second opening having a second diameter both defined by an inner wall of the cap plate, the second diameter being smaller than the first diameter, and a first guide portion between the first opening and the second opening. A sealing cap seals the electrolyte injection opening and includes a sealing member engaging the inner wall of the first opening and a fixing member coupled to the sealing member and engaging the inner wall of the second opening, wherein a portion of the fixing member is spaced from the inner wall of the second opening. | 06-24-2010 |
20100167107 | Rechargeable battery - A rechargeable battery including: an electrode assembly with a positive electrode, a negative electrode and a separator interposed therebetween; a case housing the electrode assembly; a cap plate connected to the case; a first terminal and a second terminal protruding from an upper part of the cap plate; and a current interrupt module electrically connected to the electrode assembly and the first terminal, wherein the current interrupt module includes a current interrupt unit coupled to the electrode assembly and the current interrupt unit is configured to uncouple from the electrode assembly when an internal pressure of the case increases. | 07-01-2010 |
20100173178 | BATTERY MODULE - A battery module according to the present invention includes rechargeable batteries that include a first terminal and a second terminal which protrude outward, the first terminal including differentiation portions formed of an indentation or a protruding portion to differentiate the first terminal from the second terminal; and connection members that electrically connect the rechargeable batteries, fixed to the first and second terminals of adjacent rechargeable batteries, including verification portions which fit the differentiation portions so as to improve assemblability and minimize contact resistance. | 07-08-2010 |
20100227205 | RECHARGEABLE BATTERY AND MODULE THEREOF - A rechargeable battery adapted to prevent or reduce overcharge. A rechargeable battery includes a case containing an electrode assembly; a cap plate coupled to the case and sealing an opening of the case; a first electrode terminal connected to a first electrode of the electrode assembly and electrically connected to the case; a second electrode terminal connected to a second electrode of the electrode assembly and electrically insulated from the case when a pressure inside the case is less than a threshold pressure; and a short-circuit unit including a short-circuit member connected to the second electrode terminal, the short-circuit unit adapted to short-circuit the second electrode terminal to the case by swelling a portion of the case to contact the short-circuit member when the pressure inside the case is equal to or greater than the threshold pressure. | 09-09-2010 |
20100227212 | Rechargeable battery and rechargeable battery module - A rechargeable battery and rechargeable battery module, the rechargeable battery including a case housing an electrode assembly, a cap plate sealing the case, at least one first insulator disposed on an outer surface of the cap plate, a pair of electrode terminals penetrating the cap plate and the first insulator, and a bus bar coupled to one of the electrode terminals, wherein the cap plate and first insulator include a first joining unit coupling the first insulator and the cap plate and the first insulator and bus bar include a second joining unit selectively coupling the first insulator and the bus bar. | 09-09-2010 |
20100233521 | RECHARGEABLE BATTERY - A rechargeable battery according to an embodiment of the present invention includes an electrode assembly, a case, electrode terminals, a cap plate, and current collecting plates. The electrode assembly includes a first electrode, a separator, and a second electrode. The case contains the electrode assembly. The electrode terminals are electrically connected to respective electrodes. The current collecting plates have support protrusions inserted into an interior of the electrode assembly, and welding protrusions welded to lateral ends of the electrode assembly. | 09-16-2010 |
20100233528 | Rechargeable battery - A battery includes a case housing an electrode assembly, the case having an opening for receiving the electrode assembly, a cap plate combined with the opening so as to close the case, a first insulator on an outer surface of the cap plate, an electrode terminal electrically connected to the electrode assembly, the electrode terminal extending through a first terminal hole in the cap plate and a second terminal hole in the first insulator, a first connection portion that mates the cap plate to the first insulator so as to oppose rotation of the first insulator relative to the cap plate, the first connection portion being eccentric with respect to a central line of the first terminal hole, and a second connection portion that mates the first insulator to the electrode terminal so as to oppose rotation of the electrode terminal relative to the first insulator. | 09-16-2010 |
20100291421 | RECHARGEABLE BATTERY - A rechargeable battery with overcharging protection. According to an embodiment of the present invention, a rechargeable battery includes a case, a first electrode coupled to the case, a second electrode coupled to the case and the second electrode having a portion extending outside of the case, a short bar electrically coupled to said portion of the second electrode, and an extensible member extending from the case and at least a portion of the short bar being on the extensible member with a gap therebetween. The extensible member is configured to couple the short bar electrically to the first electrode in response to an overcharging condition of the rechargeable battery, thereby short-circuiting the first and second electrodes via the short bar. | 11-18-2010 |
20100310913 | Rechargeable battery and method of manufacturing the same - A rechargeable battery and method of manufacturing the same, the rechargeable battery including an electrode assembly including a spirally wound separator, positive electrode, and negative electrode, a case housing the electrode assembly, a cap plate including a terminal hole and sealing an opening in one side of the case, an electrode terminal in the terminal hole of the cap plate and extending inwardly inside the case and outwardly from the case, and a lead tab having one side connected to the electrode terminal inside the case and another side connected to the electrode assembly, the lead tab including silver (Ag). | 12-09-2010 |
20110039152 | RECHARGEABLE BATTERY - A rechargeable battery that improves a vibration-proof property is provided. The rechargeable battery includes: an electrode assembly including a positive electrode, a negative electrode, and a separator that is disposed between the positive electrode and the negative electrode, a case that houses the electrode assembly, and a cap assembly including terminals that are coupled to the case and that are electrically connected to the electrode assembly, wherein the terminal has a lead tab that is electrically connected to the electrode assembly and a vibration-proof member is installed between the lead tab and the case. | 02-17-2011 |
20110052949 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case housing the electrode assembly; and a cap assembly connected to the case. The cap assembly includes a first tab electrically connected to the first electrode, a second tab electrically connected to the second electrode, an deformable plate capable of electrically connecting the first tab and the second tab by being deformed due to a pressure increase, and an intermediate member formed between the first tab and the deformable plate. | 03-03-2011 |
20110081572 | Rechargeable battery and battery module - A battery includes a battery case, an electrode assembly in the battery case, the electrode assembly including a first electrode, a first terminal exposed to an exterior of the battery case, the first terminal being electrically connected to the first electrode, a first fixing member mechanically coupling the first terminal to the battery, the first fixing member forming at least part of an electrical path from the first terminal to the first electrode, and a corrosion resistance member providing an electrical path from the first terminal to the first fixing member and being in direct contact with each of the first terminal and the first fixing member. | 04-07-2011 |
20110104562 | Secondary battery - A secondary battery includes an electrode assembly and an electrolyte solution in a case, a current collection unit in the case and electrically connected to the electrode assembly, a cap plate coupled to an open side of the case for sealing the case, an electrode terminal penetrating the cap plate through a terminal hole to be exposed to an exterior of the case, the electrode terminal being electrically connected to the current collection unit, and an insulation unit separating the cap plate from the electrode terminal and the current collection unit, the insulation unit being configured to block penetration of the electrolyte solution therethrough toward the cap plate. | 05-05-2011 |
20110104566 | Terminal unit for secondary battery and method of manufacturing the same - A terminal unit of a secondary battery and a method of manufacturing the same, the terminal unit including an electrode rivet, the electrode rivet being connected to an electrode assembly; a rivet terminal, the rivet terminal including a metal different from a metal of the electrode rivet; and a medium plate, the medium plate including a same metal as the electrode rivet, and being disposed between the electrode rivet and the rivet terminal so as to be overlap-weldable to the rivet terminal. | 05-05-2011 |
20110117402 | Battery module - A battery including a battery case, an electrode assembly in the battery case, the electrode assembly including a plurality of windings that are wound about a winding axis, the winding axis being oriented parallel to a bottom surface of the battery case, and a deformable member between the electrode assembly and the bottom surface of the battery case, the deformable member being pressed between the electrode assembly and the bottom surface of the battery case. | 05-19-2011 |
20110117421 | Secondary battery - A secondary battery including an electrode assembly, the electrode assembly including a separator between a positive electrode and a negative electrode; current collectors, the current collectors being electrically connected to the positive electrode and the negative electrode, respectively; a case, the case accommodating the electrode assembly and the current collectors; a cap plate, the cap plate coupled to an opening in the case; and an insulating film, the insulating film insulating the electrode assembly and the electrode collectors from the case, wherein the insulating film includes a protuberance pattern on at least one surface thereof to compensate for vibration of the electrode assembly current collectors with respect to the case. | 05-19-2011 |
20110177387 | Rechargeable battery - A rechargeable battery includes an electrode assembly in a battery case, the electrode assembly including a positive electrode, a negative electrode, and a separator, a cap plate connected to the battery case, the cap plate including a short member configured to deform and electrically connect the positive and negative electrodes, and a current collecting portion including at least one fuse, the at least one fuse being electrically connected to one of the negative and positive electrodes of the electrode assembly. | 07-21-2011 |
20110195296 | Battery module and method of manufacturing the same - A battery module and a method of manufacturing the same, the battery module including a plurality of rechargeable batteries, each rechargeable battery including a positive electrode terminal and a negative electrode terminal formed of different materials; a bus bar electrically connecting the plurality of rechargeable batteries; a first terminal plate for installing the bus bar, the first terminal plate being coupled to the positive electrode terminal via a first welding portion; and a second terminal plate for installing the bus bar, the second terminal plate being coupled to the negative electrode terminal via a second welding portion, at least one of the first welding portion and the second welding portion being a friction stir weld. | 08-11-2011 |